205411445022 has 64 divisors (see below), whose sum is σ = 476691231744. Its totient is φ = 57797867520.

The previous prime is 205411444999. The next prime is 205411445047. The reversal of 205411445022 is 220544114502.

It is a super-2 number, since 2×205411445022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651838 + ... + 914174.

It is an arithmetic number, because the mean of its divisors is an integer number (7448300496).

Almost surely, 2^205411445022 is an apocalyptic number.

205411445022 is an abundant number, since it is smaller than the sum of its proper divisors (271279786722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205411445022 is a wasteful number, since it uses less digits than its factorization.

205411445022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262633.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 205411445022 its reverse (220544114502), we get a palindrome (425955559524).

The spelling of 205411445022 in words is "two hundred five billion, four hundred eleven million, four hundred forty-five thousand, twenty-two".